EP0250164A3 - Apparatus and process for producing powders and other granular materials - Google Patents

Apparatus and process for producing powders and other granular materials Download PDF

Info

Publication number
EP0250164A3
EP0250164A3 EP87305187A EP87305187A EP0250164A3 EP 0250164 A3 EP0250164 A3 EP 0250164A3 EP 87305187 A EP87305187 A EP 87305187A EP 87305187 A EP87305187 A EP 87305187A EP 0250164 A3 EP0250164 A3 EP 0250164A3
Authority
EP
European Patent Office
Prior art keywords
granular materials
producing powders
powders
producing
flight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87305187A
Other versions
EP0250164A2 (en
EP0250164B1 (en
Inventor
Michael Leonard Colclough
Timothy James Noakes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to AT87305187T priority Critical patent/ATE60258T1/en
Publication of EP0250164A2 publication Critical patent/EP0250164A2/en
Publication of EP0250164A3 publication Critical patent/EP0250164A3/en
Application granted granted Critical
Publication of EP0250164B1 publication Critical patent/EP0250164B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/002—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means comprising means for neutralising the spray of charged droplets or particules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/0255—Discharge apparatus, e.g. electrostatic spray guns spraying and depositing by electrostatic forces only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08—Plant for applying liquids or other fluent materials to objects
    • B05B5/087—Arrangements of electrodes, e.g. of charging, shielding, collecting electrodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Glanulating (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polarising Elements (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Electrostatic spraying apparatus and process for spraying liquids which cure in flight to produce a powder or granular material.
EP87305187A 1986-06-16 1987-06-11 Apparatus and process for producing powders and other granular materials Expired - Lifetime EP0250164B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87305187T ATE60258T1 (en) 1986-06-16 1987-06-11 DEVICE AND PROCESS FOR THE MANUFACTURE OF POWDER AND OTHER GRANULATED SUBSTANCES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8614566 1986-06-16
GB868614566A GB8614566D0 (en) 1986-06-16 1986-06-16 Spraying

Publications (3)

Publication Number Publication Date
EP0250164A2 EP0250164A2 (en) 1987-12-23
EP0250164A3 true EP0250164A3 (en) 1988-11-23
EP0250164B1 EP0250164B1 (en) 1991-01-23

Family

ID=10599500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87305187A Expired - Lifetime EP0250164B1 (en) 1986-06-16 1987-06-11 Apparatus and process for producing powders and other granular materials

Country Status (10)

Country Link
US (1) US4788016A (en)
EP (1) EP0250164B1 (en)
JP (1) JPS6323729A (en)
AT (1) ATE60258T1 (en)
AU (1) AU604485B2 (en)
DE (1) DE3767583D1 (en)
ES (1) ES2019638B3 (en)
GB (1) GB8614566D0 (en)
ZA (1) ZA874138B (en)
ZW (1) ZW10387A1 (en)

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US5115971A (en) * 1988-09-23 1992-05-26 Battelle Memorial Institute Nebulizer device
GB8826357D0 (en) * 1988-11-10 1988-12-14 Ici Plc Atomisation of liquids
FR2645043B1 (en) * 1989-03-28 1991-06-07 Airbi PROCESS AND DEVICE FOR SEPARATING MATERIALS IN SUSPENSION OR IN SOLUTION IN A LIQUID AND THEIR FIELDS OF APPLICATION
US5503372A (en) * 1989-11-27 1996-04-02 Martin Marietta Energy Systems, Inc. Nozzle for electric dispersion reactor
US5259593A (en) * 1990-08-30 1993-11-09 University Of Southern California Apparatus for droplet stream manufacturing
BE1004675A3 (en) * 1991-03-11 1993-01-12 Solvay METHOD FOR OBTAINING PARTICLE microspheroidal HOMODISPERSES, microspheroidal SILICA PARTICLE SPECIFIC SURFACE HIGH, CATALYSTS SUPPORTED ON THESE PARTICLES AND METHOD FOR POLYMERIZATION OF ALPHA-OLEFINS IN THE PRESENCE OF THESE CATALYSTS.
US5176321A (en) * 1991-11-12 1993-01-05 Illinois Tool Works Inc. Device for applying electrostatically charged lubricant
US5332154A (en) * 1992-02-28 1994-07-26 Lundy And Associates Shoot-up electrostatic nozzle and method
US5209410A (en) * 1992-03-05 1993-05-11 United Air Specialists, Inc. Electrostatic dispensing nozzle assembly
US5326598A (en) * 1992-10-02 1994-07-05 Minnesota Mining And Manufacturing Company Electrospray coating apparatus and process utilizing precise control of filament and mist generation
GB9225098D0 (en) * 1992-12-01 1993-01-20 Coffee Ronald A Charged droplet spray mixer
US6880554B1 (en) * 1992-12-22 2005-04-19 Battelle Memorial Institute Dispensing device
US6105571A (en) 1992-12-22 2000-08-22 Electrosols, Ltd. Dispensing device
GB9226717D0 (en) * 1992-12-22 1993-02-17 Coffee Ronald A Induction-operated electro-hydrodynamic spray device with means of modifying droplet trajectories
US5441204A (en) * 1993-06-10 1995-08-15 United Air Specialists, Inc. Electrostatic fluid distribution nozzle
GB9406255D0 (en) * 1994-03-29 1994-05-18 Electrosols Ltd Dispensing device
GB9406171D0 (en) * 1994-03-29 1994-05-18 Electrosols Ltd Dispensing device
GB9410658D0 (en) * 1994-05-27 1994-07-13 Electrosols Ltd Dispensing device
US5503336A (en) * 1994-07-14 1996-04-02 United Air Specialists High volume - low volume electrostatic dispensing nozzle assembly
SE504458C2 (en) * 1995-06-21 1997-02-17 Lars Gunnar Nilsson Inhalator for electrical dosing of substances
US5617911A (en) * 1995-09-08 1997-04-08 Aeroquip Corporation Method and apparatus for creating a free-form three-dimensional article using a layer-by-layer deposition of a support material and a deposition material
US5787965A (en) * 1995-09-08 1998-08-04 Aeroquip Corporation Apparatus for creating a free-form metal three-dimensional article using a layer-by-layer deposition of a molten metal in an evacuation chamber with inert environment
US5718951A (en) * 1995-09-08 1998-02-17 Aeroquip Corporation Method and apparatus for creating a free-form three-dimensional article using a layer-by-layer deposition of a molten metal and deposition of a powdered metal as a support material
US5746844A (en) * 1995-09-08 1998-05-05 Aeroquip Corporation Method and apparatus for creating a free-form three-dimensional article using a layer-by-layer deposition of molten metal and using a stress-reducing annealing process on the deposited metal
US6792940B2 (en) 1996-05-13 2004-09-21 Universidad De Sevilla Device and method for creating aerosols for drug delivery
ES2140998B1 (en) * 1996-05-13 2000-10-16 Univ Sevilla LIQUID ATOMIZATION PROCEDURE.
US6197835B1 (en) 1996-05-13 2001-03-06 Universidad De Sevilla Device and method for creating spherical particles of uniform size
US6595202B2 (en) 1996-05-13 2003-07-22 Universidad De Sevilla Device and method for creating aerosols for drug delivery
US6187214B1 (en) 1996-05-13 2001-02-13 Universidad De Seville Method and device for production of components for microfabrication
US6405936B1 (en) 1996-05-13 2002-06-18 Universidad De Sevilla Stabilized capillary microjet and devices and methods for producing same
US6196525B1 (en) 1996-05-13 2001-03-06 Universidad De Sevilla Device and method for fluid aeration via gas forced through a liquid within an orifice of a pressure chamber
US6189803B1 (en) 1996-05-13 2001-02-20 University Of Seville Fuel injection nozzle and method of use
US6299145B1 (en) 1996-05-13 2001-10-09 Universidad De Sevilla Device and method for fluid aeration via gas forced through a liquid within an orifice of a pressure chamber
US6386463B1 (en) 1996-05-13 2002-05-14 Universidad De Sevilla Fuel injection nozzle and method of use
US20080119772A1 (en) 2001-01-11 2008-05-22 Ronald Alan Coffee Dispensing device and method for forming material
DE69728539T2 (en) * 1996-07-23 2004-08-05 Battelle Memorial Institute, Columbus DEVICE FOR DONATING AND METHOD FOR SHAPING A MATERIAL
US7193124B2 (en) 1997-07-22 2007-03-20 Battelle Memorial Institute Method for forming material
US6252129B1 (en) 1996-07-23 2001-06-26 Electrosols, Ltd. Dispensing device and method for forming material
GB2327895B (en) 1997-08-08 2001-08-08 Electrosols Ltd A dispensing device
JP2002508232A (en) 1997-12-17 2002-03-19 ユニバーシィダッド デ セビリヤ Device and method for generating an aerosol for drug administration
US6450189B1 (en) 1998-11-13 2002-09-17 Universidad De Sevilla Method and device for production of components for microfabrication
US7615373B2 (en) 1999-02-25 2009-11-10 Virginia Commonwealth University Intellectual Property Foundation Electroprocessed collagen and tissue engineering
US20020081732A1 (en) 2000-10-18 2002-06-27 Bowlin Gary L. Electroprocessing in drug delivery and cell encapsulation
WO2002018441A2 (en) 2000-09-01 2002-03-07 Virginia Commonwealth University Intellectual Property Foundation Electroprocessed fibrin-based matrices and tissues
US6753454B1 (en) 1999-10-08 2004-06-22 The University Of Akron Electrospun fibers and an apparatus therefor
EP1296772B1 (en) * 2000-06-16 2009-09-09 Ati Properties, Inc. Method for spray forming, atomization and heat transfer
US6496529B1 (en) 2000-11-15 2002-12-17 Ati Properties, Inc. Refining and casting apparatus and method
US8891583B2 (en) 2000-11-15 2014-11-18 Ati Properties, Inc. Refining and casting apparatus and method
US20020192360A1 (en) * 2001-04-24 2002-12-19 3M Innovative Properties Company Electrostatic spray coating apparatus and method
US6579574B2 (en) 2001-04-24 2003-06-17 3M Innovative Properties Company Variable electrostatic spray coating apparatus and method
AU2002339871A1 (en) * 2001-05-24 2002-12-03 New Objective, Inc. Method and apparatus for feedback controlled electrospray
GB0308021D0 (en) * 2003-04-07 2003-05-14 Aerstream Technology Ltd Spray electrode
DE10329944A1 (en) * 2003-07-02 2005-01-27 Smr De Haan Gmbh Fluid guide plate for electrostatic atomizers esp. for lubricants, paints, etc. has fluid channels and bypasses connecting neighboring channels to permit flow between channels
US20050064168A1 (en) * 2003-09-22 2005-03-24 Dvorsky James E. Electric field spraying of surgically implantable components
WO2005095001A1 (en) 2004-04-02 2005-10-13 Wladimir Janssen Efficient and flexible multi spray electrostatic deposition system
US7114548B2 (en) * 2004-12-09 2006-10-03 Ati Properties, Inc. Method and apparatus for treating articles during formation
US8794551B2 (en) * 2005-06-17 2014-08-05 Alessandro Gomez Method for multiplexing the electrospray from a single source resulting in the production of droplets of uniform size
US7578960B2 (en) * 2005-09-22 2009-08-25 Ati Properties, Inc. Apparatus and method for clean, rapidly solidified alloys
US7803211B2 (en) 2005-09-22 2010-09-28 Ati Properties, Inc. Method and apparatus for producing large diameter superalloy ingots
US7803212B2 (en) 2005-09-22 2010-09-28 Ati Properties, Inc. Apparatus and method for clean, rapidly solidified alloys
US20080075777A1 (en) * 2006-07-31 2008-03-27 Kennedy Michael T Apparatus and methods for preparing solid particles
JP5690586B2 (en) 2007-03-30 2015-03-25 エイティーアイ・プロパティーズ・インコーポレーテッド Melting furnace including wire discharge ion plasma electron emitter
US8748773B2 (en) 2007-03-30 2014-06-10 Ati Properties, Inc. Ion plasma electron emitters for a melting furnace
US7798199B2 (en) * 2007-12-04 2010-09-21 Ati Properties, Inc. Casting apparatus and method
EP2210659A1 (en) 2009-01-26 2010-07-28 Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO Effective droplet drying
US9114413B1 (en) * 2009-06-17 2015-08-25 Alessandro Gomez Multiplexed electrospray cooling
US8747956B2 (en) 2011-08-11 2014-06-10 Ati Properties, Inc. Processes, systems, and apparatus for forming products from atomized metals and alloys
EP2665559B1 (en) * 2011-01-19 2018-07-18 Washington University Electrohydrodynamic atomization nozzle emitting a liquid sheet
AR106558A1 (en) * 2015-11-03 2018-01-24 Spraying Systems Co APPARATUS AND SPRAY DRYING METHOD

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695002A (en) * 1950-06-24 1954-11-23 Ransburg Electro Coating Corp Electrostatic atomizer of liquids
EP0194074A1 (en) * 1985-02-19 1986-09-10 Electrosols Limited Spraying apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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DE2601602A1 (en) * 1976-01-17 1977-07-21 Basf Ag Atomisation of waxes partic. polyolefins - by 8pplication of a high electric potential to a melt and transfer to earthed plate
AU517923B2 (en) * 1977-02-07 1981-09-03 Ransburg Japan Ltd. Rotary paint atomizing device
DE3035845C2 (en) * 1980-09-23 1986-05-22 Gesellschaft zur Förderung der industrieorientierten Forschung an den Schweizerischen Hochschulen und weiteren Institutionen, Bern Method and device for the production of microspheres by internal gelation of mixed feed drops
JPS6193823A (en) * 1985-09-20 1986-05-12 Ise Kagaku Kogyo Kk Spheriform sublimable substance and its preparation
GB8604328D0 (en) * 1986-02-21 1986-03-26 Ici Plc Producing spray of droplets of liquid

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695002A (en) * 1950-06-24 1954-11-23 Ransburg Electro Coating Corp Electrostatic atomizer of liquids
EP0194074A1 (en) * 1985-02-19 1986-09-10 Electrosols Limited Spraying apparatus

Also Published As

Publication number Publication date
EP0250164A2 (en) 1987-12-23
GB8614566D0 (en) 1986-07-23
AU7416687A (en) 1987-12-17
US4788016A (en) 1988-11-29
ZA874138B (en) 1988-02-24
EP0250164B1 (en) 1991-01-23
DE3767583D1 (en) 1991-02-28
AU604485B2 (en) 1990-12-20
JPS6323729A (en) 1988-02-01
ZW10387A1 (en) 1989-01-25
ATE60258T1 (en) 1991-02-15
ES2019638B3 (en) 1991-07-01

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